Home / 27,574.88-38,052.54-15,639.32

Finding the Fourth Proportional to 27,574.88, 38,052.54 and 15,639.32

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Solution

The fourth proportional to 27,574.88, 38,052.54 and 15,639.32 is: 21,581.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,574.88 : 38,052.54 = 15,639.32 : x
  2. Step 2: Convert to fraction form
    27,574.88/38,052.54 = 15,639.32/x
  3. Step 3: Cross multiply
    27,574.88x = 38,052.54 × 15,639.32
  4. Step 4: Simplify right side
    27,574.88x = 595,115,849.87
  5. Step 5: Solve for x
    x = 595,115,849.87/27,574.88
  6. Step 6: Final answer
    x = 21,581.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.